Victor VCT700 User Manual
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Lesson 15: Subtracting Negative Numbers
Victor 700 Calculator Teacher’s Guide
69
TRANSPARENCY
Subtracting Negative Numbers
40 - -10 = ?
12 - -19 = ?
Press these buttons:
The calculator shows:
.ON/C.
0.
40 -.
40.
10. +/-.
10.-
=.
50.
----------------------------- ------------------------------
.ON/C.
0.
12 -.
12.
19. +/-.
19.-
=.
31.